Portable tool holder



FIG. 1 is a perspective view of a portable tool holder showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a schematic view thereof when it is in use.

The broken line showing of environment in FIG. 8 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the portable tool holder, as shown and described. 